Patents Assigned to Seoul Viosys Co., Ltd.
  • Patent number: 12218293
    Abstract: A pixel module includes a circuit board, a plurality of unit pixels arranged on the circuit board, and a molding member covering the plurality of unit pixels. The molding member includes a light diffusion layer and a black molding layer covering the light diffusion layer.
    Type: Grant
    Filed: February 7, 2022
    Date of Patent: February 4, 2025
    Assignee: SEOUL VIOSYS CO., LTD.
    Inventors: Junhong Min, Ik Kyu You
  • Patent number: 12205933
    Abstract: A light emitting device including first, second, and third light emitting stacks each including first and second conductivity type semiconductor layers, a first lower contact electrode in ohmic contact with the first light emitting stack, and second and third lower contact electrodes respectively in ohmic contact with the second conductivity type semiconductor layers of the second and third light emitting stacks, in which the first lower contact electrode is disposed between the first and second light emitting stacks, the second and third lower contact electrodes are disposed between the second and third light emitting stacks, and the first, second, and third lower contact electrodes include transparent conductive oxide layers.
    Type: Grant
    Filed: August 23, 2023
    Date of Patent: January 21, 2025
    Assignee: SEOUL VIOSYS CO., LTD.
    Inventors: Jong Min Jang, Chang Yeon Kim
  • Patent number: 12203605
    Abstract: Disclosed herein are a light source module for plant cultivation and a light device including the same. The light source module for plant cultivation may include at least one main light source emitting white light. The white light from the main light source is provided to a plant during cultivation to improve the growth and phytochemical content of the plant. In addition, the white light may have peak wavelengths of 430 nm or less, 440 nm to 460 nm, 510 nm to 530 nm, and 600 nm to 630 nm.
    Type: Grant
    Filed: January 22, 2024
    Date of Patent: January 21, 2025
    Assignee: SEOUL VIOSYS CO., LTD.
    Inventor: Sang Min Ko
  • Publication number: 20250023006
    Abstract: A light emitting device including a first light emitting stack, a second light emitting stack, and a third light emitting stack each including a first conductivity type semiconductor layer and a second conductivity type semiconductor layer, a first adhesive layer bonding the first light emitting stack and the second light emitting stack, and a second adhesive layer bonding the second light emitting stack and the third light emitting stack, in which the second light emitting stack is disposed between the first light emitting stack and the third light emitting stack, and one of the first adhesive layer and the second adhesive layer electrically connects adjacent light emitting stacks.
    Type: Application
    Filed: September 26, 2024
    Publication date: January 16, 2025
    Applicant: SEOUL VIOSYS CO., LTD.
    Inventors: Jong Min JANG, Chang Yeon KIM
  • Publication number: 20250022984
    Abstract: A light emitting diode includes an n-type nitride semiconductor layer, a V-pit generation layer located over the n-type nitride semiconductor layer and having a V-pit, an active layer located on the V-pit generation layer, and a p-type nitride semiconductor layer located on the active layer. The active layer includes a well layer, which includes a first well layer portion formed along a flat surface of the V-pit generation layer and a second well layer portion formed in the V-pit of the V-pit generation layer. The active layer emits light having at least two peak wavelengths at a single chip level.
    Type: Application
    Filed: September 26, 2024
    Publication date: January 16, 2025
    Applicant: SEOUL VIOSYS CO., LTD.
    Inventors: Yong Hyun BAEK, Ji Hun KANG, Chae Hon KIM, Ji Hoon PARK
  • Publication number: 20250022856
    Abstract: A unit pixel and a displaying apparatus including the unit pixel are provided. The unit pixel includes a transparent substrate, a plurality of light emitting devices arranged on the transparent substrate, a light blocking layer disposed between the transparent substrate and the light emitting devices, and having at least one window, and a semi-transmissive layer disposed between at least one of the plurality of light emitting devices and the transparent substrate to overlap with the window at least partially.
    Type: Application
    Filed: September 26, 2024
    Publication date: January 16, 2025
    Applicant: SEOUL VIOSYS CO., LTD.
    Inventors: Namgoo CHA, Sang Min KIM, Seongchan PARK, Yeonkyu PARK, Jae Hee LIM
  • Patent number: 12199214
    Abstract: A light emitting diode including a substrate having a first area and a second area defined by an isolation groove line, a semiconductor stack disposed on the substrate and including a lower semiconductor layer, an upper semiconductor layer, an active layer, a first electrode pad electrically connected to the lower semiconductor layer, a second electrode pad electrically connected to the upper semiconductor layer, and a connecting portion electrically connecting the semiconductor stack disposed in the first and second areas to each other, and including a first portion, a second portion, and a third portion extending from a second distal end of the first portion, in which the isolation groove line is disposed between the first and second electrode pads and exposes the substrate, the first portion extends along a first direction substantially parallel to an extending direction of the isolation groove line, and the second and third portions extend in a second direction crossing the first direction.
    Type: Grant
    Filed: January 28, 2022
    Date of Patent: January 14, 2025
    Assignee: Seoul Viosys Co., Ltd.
    Inventors: Keum Ju Lee, Seom Geun Lee, Kyoung Wan Kim, Yong Woo Ryu, Mi Na Jang
  • Patent number: 12199133
    Abstract: A display apparatus including a display substrate, light emitting devices disposed on the display substrate, circuit electrodes disposed between the light emitting devices and the display substrate, and a transparent layer covering the light emitting devices and the circuit electrodes, in which at least one of the light emitting devices includes a first LED sub-unit configured to emit light having a first wavelength, a second LED sub-unit adjacent to the first LED sub-unit and configured to emit light having a second wavelength, a third LED sub-unit adjacent to the second LED sub-unit and configured to emit light having a third wavelength, and a substrate disposed on the third LED sub-unit, in which a difference in refractive indices between the transparent layer and air is less than a difference in refractive indices between the substrate and a semiconductor layer of the third LED sub-unit.
    Type: Grant
    Filed: December 4, 2023
    Date of Patent: January 14, 2025
    Assignee: SEOUL VIOSYS CO., LTD.
    Inventors: Chung Hoon Lee, Dae Sung Cho
  • Patent number: 12194174
    Abstract: A lighting device including at least one first light source configured to emit a visible light through a first light emitting surface, at least one second light source spaced apart from the first light source and configured to emit light having a wavelength for sterilization through a second light emitting surface, and a housing having a bottom portion, on which the first and second light sources are disposed. The housing can include at least one sidewall portion connected to the bottom portion to enclose the first light source and the second light source in one common area, in which the first and second light emitting surfaces face substantially the same direction, and both the first light emitting surface and the second light emitting surface can be disposed at a different elevation from the bottom portion of the housing.
    Type: Grant
    Filed: August 22, 2023
    Date of Patent: January 14, 2025
    Assignee: Seoul Viosys Co., Ltd.
    Inventors: Jae Young Choi, Kyu Won Han, Seong Tae Jang, Sang Wook Jung, Woong Ki Jeong
  • Publication number: 20250006869
    Abstract: A light emitting diode, including a first type semiconductor layer, an active layer, and a second type semiconductor layer; an ohmic contact layer disposed on the second type semiconductor layer; a first insulating layer disposed on the semiconductor structure and including a first opening overlapping the first type semiconductor layer and a second opening overlapping the ohmic contact layer; a first connection wiring disposed on the first insulating layer, the first connection wiring having a first portion and a second portion; and a second connection wiring disposed on the first insulating layer and spaced apart from the first connection wiring, the second connection wiring electrically connected to the second type semiconductor layer through the second opening. The second connection wiring surrounds at least a portion of the first portion of the first connection wiring in a plan view.
    Type: Application
    Filed: September 13, 2024
    Publication date: January 2, 2025
    Applicant: SEOUL VIOSYS CO., LTD.
    Inventors: Chi Hyun IN, Jun Yong PARK, Kyu Ho LEE, Dae Woong Suh, Jong Hyeon CHAE, Chang Hoon KIM, Sung Hyun LEE
  • Patent number: 12178681
    Abstract: A dental implant packaging container including a main body having an inner wall defining a space for receiving a dental implant, a cap detachably coupled to one side of the main body, a securing portion mounted on the cap and configured to secure the dental implant inside the main body; a bottom portion coupled to the main body and facing the cap, and a main body reflector disposed on the inner wall of the main body and reflecting UV light emitted towards the cap.
    Type: Grant
    Filed: April 26, 2017
    Date of Patent: December 31, 2024
    Assignee: Seoul Viosys Co., Ltd.
    Inventor: Hee Cheul Jung
  • Patent number: 12183773
    Abstract: A display device including a substrate, a light emitting stacked structure disposed on the substrate and including a plurality of epitaxial sub-units disposed one over another, a first adhesive layer bonding the epitaxial sub-units to the substrate; and a line part disposed on the substrate and configured to apply a light emitting signal to each of the epitaxial sub-units, in which the light emitting stacked structure is configured to provide light having various colors by a combination of light emitted from each of the epitaxial sub-units, and the first adhesive layer includes a conductive and non-transparent material.
    Type: Grant
    Filed: July 27, 2023
    Date of Patent: December 31, 2024
    Assignee: SEOUL VIOSYS CO., LTD.
    Inventors: Chung Hoon Lee, Jong Hyeon Chae, Seong Gyu Jang, Ho Joon Lee
  • Patent number: 12183848
    Abstract: A light emitting device including a substrate, a first conductivity-type semiconductor layer, a mesa including a second conductivity-type semiconductor layer and an active layer, first and second contact electrodes respectively contacting the first and second conductivity-type semiconductor layers, a passivation layer covering the first and second contact electrodes, the mesa, and including first and second openings, and first and second bump electrodes electrically connected to the first and second contact electrodes through the first and second openings, respectively, in which the first and second bump electrodes are disposed on the mesa, the passivation layer is disposed between the first bump electrode and the second contact electrode, the first contact electrode includes a reflective material, and a portion of the first opening is surrounded with a side surface of the mesa, and another portion of the first opening is not surrounded with the side surface of the mesa.
    Type: Grant
    Filed: October 12, 2022
    Date of Patent: December 31, 2024
    Assignee: Seoul Viosys Co., Ltd.
    Inventors: Seong Kyu Jang, Hong Suk Cho, Kyu Ho Lee, Chi Hyun In
  • Publication number: 20240429346
    Abstract: A light emitting device for a display including a first LED stack, a second LED stack disposed under the first LED stack, a third LED stack disposed under the second LED stack, and including a first conductivity type semiconductor layer and a second conductivity type semiconductor layer, a surface protection layer at least partially covering side surfaces of the first LED stack, the second LED stack, or the third LED stack, a first bonding layer interposed between the second LED stack and the third LED stack, a second bonding layer interposed between the first LED stack and the second LED stack, lower buried vias passing through the second LED stack and the first bonding layer, and electrically connected to the first conductivity type semiconductor layer and the second conductivity type semiconductor layer of the third LED stack, respectively, and upper buried vias passing through the first LED stack.
    Type: Application
    Filed: September 4, 2024
    Publication date: December 26, 2024
    Applicant: SEOUL VIOSYS CO., LTD.
    Inventors: Jong Hyeon CHAE, Seom Geun LEE, Seong Kyu JANG
  • Publication number: 20240426442
    Abstract: A plant cultivation light source includes a substrate and a first group of light sources. The first group of light sources includes a plurality of light sources disposed on the substrate, and a light source including a light emitting structure including a first semiconductor layer, an active layer, and a second semiconductor layer. The plurality of light sources operates to emit lights having different wavelength bands and includes a first light source that emits first light having an area of at least about 55% compared with an area of a normalized solar spectrum, a second light source that emits second light having a wavelength for cryptochrome, and a third light source that emits third light having a wavelength for phytochrome.
    Type: Application
    Filed: August 30, 2024
    Publication date: December 26, 2024
    Applicant: SEOUL VIOSYS CO., LTD.
    Inventors: Hyun Su SONG, Sang Min KO, Jong Hyeon KOO, Se Ryung KIM, Jin Won KIM
  • Patent number: 12176378
    Abstract: A display panel including a circuit board having pads thereon, and a plurality of pixel regions arranged on the circuit board, each of the pixel regions including a first LED stack disposed on the circuit board, a first bonding layer disposed between the first LED stack and the circuit board, a second LED stack disposed on the first LED stack, a third LED stack disposed on the second LED stack, first through-vias passing through the first LED stack and the first bonding layer, second through-vias passing through the second LED stack, and third through-vias passing through the third LED stack, in which the first through-vias pass through the first LED stack and the first bonding layer, and are connected to the pads of the circuit board.
    Type: Grant
    Filed: July 30, 2020
    Date of Patent: December 24, 2024
    Assignee: SEOUL VIOSYS CO., LTD.
    Inventors: Jong Hyeon Chae, Seom Geun Lee, Seong Kyu Jang
  • Patent number: 12176458
    Abstract: A light emitting device includes a substrate; a pattern of a plurality of protrusions protruding from the substrate; a first semiconductor layer provided on the substrate; an active layer provided on the first semiconductor layer; and a second semiconductor layer provided on the active layer, in which each of the protrusions includes a first layer formed integrally with the substrate and protruding from an upper surface of the base substrate; and a second layer provided on the first layer and formed of a material different from that of the first layer.
    Type: Grant
    Filed: May 22, 2023
    Date of Patent: December 24, 2024
    Assignee: Seoul Viosys Co., Ltd.
    Inventors: Dae Hong Min, Jun Ho Yoon, Woo Cheol Gwak, Jin Woo Huh, Yong Hyun Baek
  • Publication number: 20240421134
    Abstract: A display apparatus including a substrate, and pixel regions and at least one separation region between the pixel regions, each pixel region including a first LED stack, a second LED stack adjacent to the first LED stack, a third LED stack adjacent to the second LED stack and each having a side surface forming a first angle, a second angle, and a third angle with the substrate, respectively, electrode pads electrically connected to the first, second, and third LED stacks, and an insulation layer disposed on at least one of the first, second, and third LED stacks, in which the first LED stack is configured to emit light having a longer peak wavelength than that emitted from the second and third LED stacks, and the first angle is different from the second and third angles.
    Type: Application
    Filed: August 28, 2024
    Publication date: December 19, 2024
    Applicant: SEOUL VIOSYS CO., LTD.
    Inventors: Jong Hyeon CHAE, Chang Yeon KIM, Seong Gyu JANG, Ho Joon LEE, Jong Min JANG, Dae Sung CHO
  • Publication number: 20240421261
    Abstract: A light-emitting diode according to an embodiment comprises: a substrate; a first conductive-type semiconductor layer disposed on the substrate; a mesa disposed on the first conductive-type semiconductor layer and including an active layer and a second conductive-type semiconductor layer; an ohmic contact layer disposed on the second conductive-type semiconductor layer and formed by islands which are spaced apart from each other; a dielectric layer covering the ohmic contact layer and having openings through which the respective islands are exposed; a metal reflective layer covering the dielectric layer and electrically connected to the islands through the openings of the dielectric layer; a lower insulating layer covering the metal reflective layer and having an opening through which the metal reflective layer is exposed; and first and second bump pads disposed on the lower insulating layer and electrically connected to the first and second conductive-type semiconductor layers, respectively.
    Type: Application
    Filed: November 17, 2022
    Publication date: December 19, 2024
    Applicant: SEOUL VIOSYS CO., LTD.
    Inventors: Se Hee OH, Kyoung Wan KIM, Hae Yu KIM
  • Publication number: 20240421135
    Abstract: A light emitting device including a first light emitting part including a first n-type semiconductor layer, a first active layer, a first p-type semiconductor layer, and a first transparent electrode, a second light emitting part disposed over the first light emitting part and including a second n-type semiconductor layer, a second active layer, a second p-type semiconductor layer, and a second transparent electrode, and a third light emitting part disposed over the second light emitting part and including a third n-type semiconductor layer, a third active layer, a third p-type semiconductor layer, and a third transparent electrode, in which the light emitting device has substantially a quadrangular shape when viewed from the top, and has first to fourth corners.
    Type: Application
    Filed: August 27, 2024
    Publication date: December 19, 2024
    Applicant: SEOUL VIOSYS CO., LTD.
    Inventors: Jong Min JANG, Chang Yeon KIM